文档介绍：Chapter 7 Planktonic Crustacea
Part VII Sergestidae
Department of Oceanography
References
郑重, 1953. 厦门海洋浮游甲壳类的研究(一):
毛虾. 厦门大学学报
郑重, 1954. 厦门海洋浮游甲壳类的研究(二):
莹虾. 厦门大学学报
刘瑞玉, 1956. 黄海和渤海的毛虾. 动物学报
刘蝉馨, 张宗道, 1981. 中国毛虾的幼体发育.
动物学报
Crustacea, Malacostraca, Decapoda,Natantia,
Penaeidea, Sergestidae
Features:
body pressed, rostrum short;
P1-3 modified as maxillipeds;
P4-5 absent or rudimentary
indirectly development
1 General Morphology
Body form
cephalothorax
abdomen, 6th abdominal somite with sexual
dimorphism
Appendages
(1)A1, statocyst , ♂an
(2)A2
(3)M;M1;M2;Mp
(4)P1-8
(5)Pl1-5,sexual dimorphism
(6)Up
Eyes, compound eyes with eyestalk
A. Indicus A. erythraeus
A. serrulatus A. japonicus
2 Classification
M with or without palp
Subfamily Sergestinae
(1)Acetes
(2)Sergestes
Subfamily Luciferinae
(1)Lucifer
Acetes
Sexual differences of Acetes
Characters male female
body length shorter longer
genital plate smaller larger
smaller with shorter larger with longer
compound eyes
ocular stalk ocular stalk
inferior flagellum modified as clasping
unmodified
of an
extending to base of 3rd extending to
scale of A2 peduncular segment of middle of that
A1 segment
genital coxae present, papilla-like absent
Pl1 with petasma normal
with appendix
base of Pl Ri absent
2 masculina
Lucifer
Lucifer hanseni
L. typus L. intermedius L. hanseni L. penicillifer